Sigma, SD parts interchangeable ?
are any of the parts interchangeable between the SD and Sigmas ?, mags, slides, barrels ?
i toy with the sigma's alot and the barrels and slides interchange between the V's and VE's, so i was wondering about the SD's ?
just wondering as i dont have and SD, yet

Magazines yes, cannot say for anything else.
Randy

Last night I did put the SD slide on my Sigma frame and it seemed ok. But I wouldn't shoot it.

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Don't look, reload and shoot!

speaking of magazines. i have both a Sigma (2) and one SD all in 9mm...I inadvertently mixed the magazines up... I can not find a part number or any specific model number on the magazines...anyone know of a specific part or magazine number

I just checked my mags and the only thing stamped on them are "S&W 40".

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How many guns are too many?

Only thing different about the magazines is the base plate. I use Sigma magazines in my SD9 with no issue.